Buggy code:
public final FeedbackMessage getFeedbackMessage ( ) { } public String getId ( ) { } public final Locale getLocale ( ) { } public final Localizer getLocalizer ( ) { } public final ValueMap getMarkupAttributes ( ) { } public String getMarkupId ( ) { } public final Serializable getMetaData ( final MetaDataKey key ) { } public IModel getModel ( ) { } public final Object getModelObject ( ) { } public final String getModelObjectAsString ( ) { } public final Page getPage ( ) { } public final IPageFactory getPageFactory ( ) { } public final String getPageRelativePath ( ) { } public final MarkupContainer getParent ( ) { } public final String getPath ( ) { } public final boolean getRenderBodyOnly ( ) { } public final Request getRequest ( ) { } public final RequestCycle getRequestCycle ( ) { } public final Response getResponse ( ) { } public final Session getSession ( ) { } public long getSizeInBytes ( ) { } public final String getString ( final String key ) { } public final String getString ( final String key , final IModel model ) { } public final String getString ( final String key , final IModel model , final String defaultValue ) { } public final String getStyle ( ) { } public String getVariation ( ) { } public final boolean hasErrorMessage ( ) { } public final boolean hasFeedbackMessage ( ) { } public final void info ( final String message ) { } public final boolean isActionAuthorized ( Action action ) { } public final boolean isAncestorOf ( final Component component ) { } public final boolean isEnableAllowed ( ) { } public boolean isEnabled ( ) { } public boolean isVersioned ( ) { } public boolean isVisible ( ) { } public final boolean isVisibleInHierarchy ( ) { } public final void modelChanged ( ) { } public final void modelChanging ( ) { } public final Page newPage ( final Class c ) { } public final Page newPage ( final Class c , final PageParameters parameters ) { } public final void redirectToInterceptPage ( final Page page ) { } public final void remove ( ) { } public final void render ( ) { } public final void render ( final MarkupStream markupStream ) { } public final void renderComponent ( ) { } public final void renderComponent ( final MarkupStream markupStream ) { this . markupIndex = markupStream . getCurrentIndex ( ) ; final ComponentTag openTag = markupStream . getTag ( ) ; final ComponentTag tag = openTag . mutable ( ) ; onComponentTag ( tag ) ; if ( ( ! ( tag . isOpenClose ( ) ) ) && ( ! ( tag . isOpen ( ) ) ) ) { markupStream . throwMarkupException ( ( "Method<seq2seq4repair_space>renderComponent<seq2seq4repair_space>called<seq2seq4repair_space>on<seq2seq4repair_space>bad<seq2seq4repair_space>markup<seq2seq4repair_space>element:<seq2seq4repair_space>" + tag ) ) ; } if ( ( tag . isOpenClose ( ) ) && ( openTag . isOpen ( ) ) ) { markupStream . throwMarkupException ( ( "You<seq2seq4repair_space>can<seq2seq4repair_space>not<seq2seq4repair_space>modify<seq2seq4repair_space>a<seq2seq4repair_space>open<seq2seq4repair_space>tag<seq2seq4repair_space>to<seq2seq4repair_space>open-close:<seq2seq4repair_space>" + tag ) ) ; } try { if ( ( getRenderBodyOnly ( ) ) == false ) { renderComponentTag ( tag ) ; } markupStream . next ( ) ; if ( tag . isOpen ( ) ) { onComponentTagBody ( markupStream , tag ) ; } if ( tag . isOpen ( ) ) { if ( openTag . isOpen ( ) ) { renderClosingComponentTag ( markupStream , tag , getRenderBodyOnly ( ) ) ; } else { if ( ( getRenderBodyOnly ( ) ) == false ) { getResponse ( ) . write ( openTag . syntheticCloseTagString ( ) ) ; } } } } catch ( RuntimeException re ) { <START_BUG> if ( re instanceof WicketRuntimeException ) <END_BUG> throw re ; throw new WicketRuntimeException ( ( "Exception<seq2seq4repair_space>in<seq2seq4repair_space>rendering<seq2seq4repair_space>component:<seq2seq4repair_space>" + ( this ) ) , re ) ; } } public final void rendered ( ) { } public void renderHead ( final HtmlHeaderContainer container ) { } public final boolean sameRootModel ( final Component component ) { } public final boolean sameRootModel ( final IModel model ) { } public final Component setEnabled ( final boolean enabled ) { } public final Component setEscapeModelStrings ( final boolean escapeMarkup ) { } public final void setMetaData ( final MetaDataKey key , final Serializable object ) { } public Component setModel ( final IModel model ) { } public final Component setModelObject ( final Object object ) { } public final Component setOutputMarkupId ( final boolean output ) { } public final void setRedirect ( final boolean redirect ) { } public final Component setRenderBodyOnly ( final boolean renderTag ) { } public final void setResponsePage ( final Class cls ) { } public final void setResponsePage ( final Class cls , PageParameters parameters ) { } public final void setResponsePage ( final Page page ) { } public Component setVersioned ( boolean versioned ) { } public final Component setVisible ( final boolean visible ) { } public final Object visitParents ( final Class c , final Component . IVisitor visitor ) { } public String toString ( ) { } public String toString ( final boolean detailed ) { } public final CharSequence urlFor ( final Class pageClass , final PageParameters parameters ) { } public final CharSequence urlFor ( final IRequestTarget requestTarget ) { } public final CharSequence urlFor ( final PageMap pageMap , final Class pageClass , final PageParameters parameters ) { } public final CharSequence urlFor ( final RequestListenerInterface listener ) { } public final CharSequence urlFor ( final ResourceReference resourceReference ) { } public final void warn ( final String message ) { } protected final void addStateChange ( final Change change ) { } protected final void checkComponentTag ( final ComponentTag tag , final String name ) { } protected final void checkComponentTagAttribute ( final ComponentTag tag , final String key , final String value ) { }

Fix:
if ( ( re instanceof WicketRuntimeException ) || ( re instanceof AbortException ) )